/* 第一个盒子 */
.first{
    width: 75%;
    /* border: 1px solid red; */
    height: 700px;
    margin: auto;
    display: flex;
    justify-content: space-evenly;
    margin-top: 50px;
}
/* 基本分配 */
.first_left{
    width: 48%;
    height: 100%;
    
    display: flex;
    flex-direction: column;
    
}
.first_right{
    width: 48%;
    height: 100%;
   
}

/* 标头1 */
.first_left_head{
    border-bottom: 5px solid blue;
   
    color: skyblue;
    font-size: 30px;
 
    height: 80px;
    line-height: 80px;
}
/* first_left */
.first_left span{
    width: 100%;
    height: 50px;
    font-size: 16px;
    line-height: 50px;
    overflow: hidden;
   
}
.first_left_img{
    width: 80%;
    height: 300px;
    padding: 4px;
}
/* banner */
.banner{
    width: 100%;
    height: 350px;
    position: relative;

}
.banner img{
    width: 100%;
    height: 100%;
    position: absolute;
}
.banner p{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: gray;
    opacity: 0.8;
    color: white;
    font-size: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
}
.banner_span{
    position: absolute;
    bottom: 0;
    left: 0;
    height: 40px;
    background-color: rgba(0,0,0,0.8);
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
}

.banner_span span{
    width: 30px;
    height: 30px;
    background-color: white;
    border-radius: 50%;
}
.banner_span .active{
    background-color: orange;
}
/* display_one */
.display_one{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    width: 100%;
    margin: auto;
    margin-top: 30px;
    height: 280px;
    
}
.display_one p{
    width: 130px;
    height: 130px;
    border: 2px solid black;
    background-color: skyblue;
    color: white;
    display: flex;
    font-size: 30px;
    font-weight: 700;
    justify-content: center;
    align-items: center;

}
.display_one .display_one_bigger{
    width: 100%;
    height: 140px;
}

/* second */
.second{
    width: 75%;
    height: 400px;
    
    margin: auto;

}
.flower{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-evenly;
}
.flower1{
    width: 45%;
    height: 90%;
    border: 2px solid black;
}
.flower2{
    width: 45%;
    height: 90%;
    border: 2px black solid;
}
.flower img{
    width: 100%;
    height: 70%;
}
.flower p{
    width: 100%;
    font-weight: 700;

}
/* third */
.third{
    width: 75%;
    height: 500px;
   
    margin: auto;
    display: flex;
    justify-content: space-evenly;
    flex-direction: column;  
}

.third div{
    width: 100%;
    height: 200px;
   border: 2px solid black;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.third div img{
    width: 40%;
    height: 100%;
}
.third div p{
    width: 58%;
    height: 100%;
    font-size: 30px;
    font-weight: 700;
    color: gray;
}

footer{
    width: 100%;
    background-color: red;
    height: 160px;
    position: relative;
}
.ani{
    position: absolute;
    width: 800px;
    color: white;
    font-size: 60px;
    font-weight: 700;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    animation: anim 3s linear infinite;
    
}
@keyframes anim{
    0%{
        left: 0;
    }
    50%{
        left: calc(100% - 800px);
    }
    100%{
        left: 0;
    }
}















